418609919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2917}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 549050880

約数和(自身を除く): 130440961

約数列:

[1, 7, 13, 19, 83, 91, 133, 247, 581, 1079, 1577, 1729, 2917, 7553, 11039, 20419, 20501, 37921, 55423, 143507, 242111, 265447, 387961, 720499, 1694777, 3147443, 4600109, 5043493, 22032101, 32200763, 59801417, 418609919]

約数ペア:

[(1, 418609919), (7, 59801417), (13, 32200763), (19, 22032101), (83, 5043493), (91, 4600109), (133, 3147443), (247, 1694777), (581, 720499), (1079, 387961), (1577, 265447), (1729, 242111), (2917, 143507), (7553, 55423), (11039, 37921), (20419, 20501)]